TB-067: Holmatro Rescue Tool

Question 1

What powers both units in the Holmatro System?

Answer 1

Air cooled Honda 4 stroke engines

Question 2

What type of pump do both power units utilize?

Answer 2

Two-stage pump, capable of producing 10,500psi

Question 3

What PSI do first and second stage produce?

Answer 3

First stage - Near 3000psi
Second stage - up to 10,500psi

Question 4

How can you identify the unit has changed over to
second stage?

Answer 4

A momentary “stalling” of the movement of the
tool

Question 5

What will happen if trigger handle is released when the unit stalls to switch to second stage?

Answer 5

It will go back to first stage. The handle must be
held to build up and switch over to second stage

Question 6

What fluid is used in both units?

Answer 6

22 weight mineral based hydraulic fluid

Question 7

What color is the mineral hydraulic fluid?

Answer 7

Pale or light yellow

Question 8

What are the stats for the single power unit?

Answer 8

PPU 15
35lbs
2.5 horsepower
4500rpm
1.3 quarts regular unleaded gasoline
2000 cc usable hydraulic fluid
Single tool operation

Question 9

What are the stats for the dual power unit?

Answer 9

PPU 30
58lbs
3 horsepower
3600rpm
1.5 quarts regular unleaded gasoline
3000 cc usable hydraulic fluid
Dual pump for simultaneous tool operation

Question 10

What three models of cutters do we have?

Answer 10

3020 UL 3035NCT 4050NCT
63,400lbs 57,230LBS 208,000lbs
5 1/4” opn 5 5/8” 7 1/8”
27 1/2lbs 33 1/2lbs 37 1/2lbs

Question 11

What two model rams do we have? (1)

Answer 11

3340
12” retracted to 23”fully extended
49,210lbs 1st stage - 18,210lbs 2nd stage
24lbs

Question 12

What two model rams do we have? (2)

Answer 12

3350
21” retracted to 50 1/4” fully extended
49,210lbs force 1st stage - 18,210lbs 2nd stage
37lbs

Question 13

Which parts of the HMS Ram Support are
designed to be used?

Answer 13

Round cross braces, although the hex shaped
braces are equally as strong

Question 14

How long are the hoses and what colors are they?

Answer 14

32’ in length Orange and Blue

Question 15

What is the working pressure of the hose?

Answer 15

10,500psi w/ a burst pressure of 42,000psi

Question 16

How can the hoses and tools become pressurized
requiring the pressure relief device to be used?

Answer 16

When the tools are operated to their fully opened
or closed position and the handle is released

Question 17

How shall the spreaders be stored?

Answer 17

Close until tips touch, then open 1/4”

Question 18

How shall the cutters be stored?

Answer 18

Cross tips. If will not fit, open completely then
close slightly

Question 19

How shall the rams be stored?

Answer 19

Retracted fully, then open 1/4

Question 20

When shall the Secu-net be taken out of service?

Answer 20

Whenever an air bag deploys into it

Question 21

For weekly checks, the power units should be ran
for at least how many minutes?

Answer 21

15 min

Question 22

How tight shall the hinge bolt nut be?

Answer 22

75 foot pounds of torque

Question 23

When checking the hoses for damage, how long
should the trigger handle be held open or closed?

Answer 23

5-10 seconds

Question 24

Current LAFD policy is to replace fuel in small
motors every how many days?

Answer 24

30 days

Question 25

How is hydraulic fluid transferred within supply
hose?

Answer 25

Inner core higher PSI
Outer core lower PSI